{"product_id":"napoleon-gd401-periscope-snorkel-for-wall-penetration-below-grade","title":"Napoleon GD401 Periscope (Snorkel) for Wall Penetration Below Grade","description":"\u003ch2\u003e\u003cstrong\u003eBelow-Grade Venting Solution for Napoleon Direct Vent Fireplaces\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Napoleon GD401 Periscope (Snorkel) for Wall Penetration Below Grade is designed to allow safe and code-compliant vent termination when a direct vent fireplace must be installed below exterior grade level. This vertical periscope-style vent raises the exhaust and intake termination point above grade, helping prevent water infiltration, debris blockage, and improper venting conditions.\u003c\/p\u003e\n\u003cp\u003eConstructed for durability and weather resistance, the GD401 snorkel ensures proper airflow and combustion performance while maintaining the clean exterior appearance of your installation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eGenuine OEM Napoleon Venting Component\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis product is a Genuine OEM Napoleon venting accessory, manufactured to exact factory specifications for compatibility, safety, and long-term performance. OEM construction ensures proper vent clearances, reliable draft, and compliance with Napoleon installation requirements.\u003c\/p\u003e\n\u003cp\u003eUsing genuine Napoleon venting components helps maintain manufacturer approvals, safety certifications, and warranty coverage, critical for both residential and commercial fireplace installations.\u003c\/p\u003e","brand":"Napoleon","offers":[{"title":"Default Title","offer_id":51853692469522,"sku":"GD401","price":689.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/napoleon-gd401-periscope-snorkel-wall-penetration-below-grade.jpg?v=1767628565","url":"https:\/\/www.aquaterrabackyard.com\/products\/napoleon-gd401-periscope-snorkel-for-wall-penetration-below-grade","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}